1 /* 2 * Base driver for Marvell 88PM8607 3 * 4 * Copyright (C) 2009 Marvell International Ltd. 5 * Haojian Zhuang <haojian.zhuang@marvell.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #include <linux/kernel.h> 13 #include <linux/module.h> 14 #include <linux/i2c.h> 15 #include <linux/irq.h> 16 #include <linux/interrupt.h> 17 #include <linux/platform_device.h> 18 #include <linux/mfd/core.h> 19 #include <linux/mfd/88pm860x.h> 20 #include <linux/regulator/machine.h> 21 22 #define INT_STATUS_NUM 3 23 24 static struct resource bk0_resources[] __devinitdata = { 25 {2, 2, "duty cycle", IORESOURCE_REG, }, 26 {3, 3, "always on", IORESOURCE_REG, }, 27 {3, 3, "current", IORESOURCE_REG, }, 28 }; 29 static struct resource bk1_resources[] __devinitdata = { 30 {4, 4, "duty cycle", IORESOURCE_REG, }, 31 {5, 5, "always on", IORESOURCE_REG, }, 32 {5, 5, "current", IORESOURCE_REG, }, 33 }; 34 static struct resource bk2_resources[] __devinitdata = { 35 {6, 6, "duty cycle", IORESOURCE_REG, }, 36 {7, 7, "always on", IORESOURCE_REG, }, 37 {5, 5, "current", IORESOURCE_REG, }, 38 }; 39 40 static struct resource led0_resources[] __devinitdata = { 41 /* RGB1 Red LED */ 42 {0xd, 0xd, "control", IORESOURCE_REG, }, 43 {0xc, 0xc, "blink", IORESOURCE_REG, }, 44 }; 45 static struct resource led1_resources[] __devinitdata = { 46 /* RGB1 Green LED */ 47 {0xe, 0xe, "control", IORESOURCE_REG, }, 48 {0xc, 0xc, "blink", IORESOURCE_REG, }, 49 }; 50 static struct resource led2_resources[] __devinitdata = { 51 /* RGB1 Blue LED */ 52 {0xf, 0xf, "control", IORESOURCE_REG, }, 53 {0xc, 0xc, "blink", IORESOURCE_REG, }, 54 }; 55 static struct resource led3_resources[] __devinitdata = { 56 /* RGB2 Red LED */ 57 {0x9, 0x9, "control", IORESOURCE_REG, }, 58 {0x8, 0x8, "blink", IORESOURCE_REG, }, 59 }; 60 static struct resource led4_resources[] __devinitdata = { 61 /* RGB2 Green LED */ 62 {0xa, 0xa, "control", IORESOURCE_REG, }, 63 {0x8, 0x8, "blink", IORESOURCE_REG, }, 64 }; 65 static struct resource led5_resources[] __devinitdata = { 66 /* RGB2 Blue LED */ 67 {0xb, 0xb, "control", IORESOURCE_REG, }, 68 {0x8, 0x8, "blink", IORESOURCE_REG, }, 69 }; 70 71 static struct resource buck1_resources[] __devinitdata = { 72 {0x24, 0x24, "buck set", IORESOURCE_REG, }, 73 }; 74 static struct resource buck2_resources[] __devinitdata = { 75 {0x25, 0x25, "buck set", IORESOURCE_REG, }, 76 }; 77 static struct resource buck3_resources[] __devinitdata = { 78 {0x26, 0x26, "buck set", IORESOURCE_REG, }, 79 }; 80 static struct resource ldo1_resources[] __devinitdata = { 81 {0x10, 0x10, "ldo set", IORESOURCE_REG, }, 82 }; 83 static struct resource ldo2_resources[] __devinitdata = { 84 {0x11, 0x11, "ldo set", IORESOURCE_REG, }, 85 }; 86 static struct resource ldo3_resources[] __devinitdata = { 87 {0x12, 0x12, "ldo set", IORESOURCE_REG, }, 88 }; 89 static struct resource ldo4_resources[] __devinitdata = { 90 {0x13, 0x13, "ldo set", IORESOURCE_REG, }, 91 }; 92 static struct resource ldo5_resources[] __devinitdata = { 93 {0x14, 0x14, "ldo set", IORESOURCE_REG, }, 94 }; 95 static struct resource ldo6_resources[] __devinitdata = { 96 {0x15, 0x15, "ldo set", IORESOURCE_REG, }, 97 }; 98 static struct resource ldo7_resources[] __devinitdata = { 99 {0x16, 0x16, "ldo set", IORESOURCE_REG, }, 100 }; 101 static struct resource ldo8_resources[] __devinitdata = { 102 {0x17, 0x17, "ldo set", IORESOURCE_REG, }, 103 }; 104 static struct resource ldo9_resources[] __devinitdata = { 105 {0x18, 0x18, "ldo set", IORESOURCE_REG, }, 106 }; 107 static struct resource ldo10_resources[] __devinitdata = { 108 {0x19, 0x19, "ldo set", IORESOURCE_REG, }, 109 }; 110 static struct resource ldo12_resources[] __devinitdata = { 111 {0x1a, 0x1a, "ldo set", IORESOURCE_REG, }, 112 }; 113 static struct resource ldo_vibrator_resources[] __devinitdata = { 114 {0x28, 0x28, "ldo set", IORESOURCE_REG, }, 115 }; 116 static struct resource ldo14_resources[] __devinitdata = { 117 {0x1b, 0x1b, "ldo set", IORESOURCE_REG, }, 118 }; 119 120 static struct resource touch_resources[] __devinitdata = { 121 {PM8607_IRQ_PEN, PM8607_IRQ_PEN, "touch", IORESOURCE_IRQ,}, 122 }; 123 124 static struct resource onkey_resources[] __devinitdata = { 125 {PM8607_IRQ_ONKEY, PM8607_IRQ_ONKEY, "onkey", IORESOURCE_IRQ,}, 126 }; 127 128 static struct resource codec_resources[] __devinitdata = { 129 /* Headset microphone insertion or removal */ 130 {PM8607_IRQ_MICIN, PM8607_IRQ_MICIN, "micin", IORESOURCE_IRQ,}, 131 /* Hook-switch press or release */ 132 {PM8607_IRQ_HOOK, PM8607_IRQ_HOOK, "hook", IORESOURCE_IRQ,}, 133 /* Headset insertion or removal */ 134 {PM8607_IRQ_HEADSET, PM8607_IRQ_HEADSET, "headset", IORESOURCE_IRQ,}, 135 /* Audio short */ 136 {PM8607_IRQ_AUDIO_SHORT, PM8607_IRQ_AUDIO_SHORT, "audio-short", IORESOURCE_IRQ,}, 137 }; 138 139 static struct resource battery_resources[] __devinitdata = { 140 {PM8607_IRQ_CC, PM8607_IRQ_CC, "columb counter", IORESOURCE_IRQ,}, 141 {PM8607_IRQ_BAT, PM8607_IRQ_BAT, "battery", IORESOURCE_IRQ,}, 142 }; 143 144 static struct resource charger_resources[] __devinitdata = { 145 {PM8607_IRQ_CHG, PM8607_IRQ_CHG, "charger detect", IORESOURCE_IRQ,}, 146 {PM8607_IRQ_CHG_DONE, PM8607_IRQ_CHG_DONE, "charging done", IORESOURCE_IRQ,}, 147 {PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging timeout", IORESOURCE_IRQ,}, 148 {PM8607_IRQ_GPADC1, PM8607_IRQ_GPADC1, "battery temperature", IORESOURCE_IRQ,}, 149 {PM8607_IRQ_VBAT, PM8607_IRQ_VBAT, "battery voltage", IORESOURCE_IRQ,}, 150 {PM8607_IRQ_VCHG, PM8607_IRQ_VCHG, "vchg voltage", IORESOURCE_IRQ,}, 151 }; 152 153 static struct resource rtc_resources[] __devinitdata = { 154 {PM8607_IRQ_RTC, PM8607_IRQ_RTC, "rtc", IORESOURCE_IRQ,}, 155 }; 156 157 static struct mfd_cell bk_devs[] __devinitdata = { 158 { 159 .name = "88pm860x-backlight", 160 .id = 0, 161 .num_resources = ARRAY_SIZE(bk0_resources), 162 .resources = bk0_resources, 163 }, { 164 .name = "88pm860x-backlight", 165 .id = 1, 166 .num_resources = ARRAY_SIZE(bk1_resources), 167 .resources = bk1_resources, 168 }, { 169 .name = "88pm860x-backlight", 170 .id = 2, 171 .num_resources = ARRAY_SIZE(bk2_resources), 172 .resources = bk2_resources, 173 }, 174 }; 175 176 static struct mfd_cell led_devs[] __devinitdata = { 177 { 178 .name = "88pm860x-led", 179 .id = 0, 180 .num_resources = ARRAY_SIZE(led0_resources), 181 .resources = led0_resources, 182 }, { 183 .name = "88pm860x-led", 184 .id = 1, 185 .num_resources = ARRAY_SIZE(led1_resources), 186 .resources = led1_resources, 187 }, { 188 .name = "88pm860x-led", 189 .id = 2, 190 .num_resources = ARRAY_SIZE(led2_resources), 191 .resources = led2_resources, 192 }, { 193 .name = "88pm860x-led", 194 .id = 3, 195 .num_resources = ARRAY_SIZE(led3_resources), 196 .resources = led3_resources, 197 }, { 198 .name = "88pm860x-led", 199 .id = 4, 200 .num_resources = ARRAY_SIZE(led4_resources), 201 .resources = led4_resources, 202 }, { 203 .name = "88pm860x-led", 204 .id = 5, 205 .num_resources = ARRAY_SIZE(led5_resources), 206 .resources = led5_resources, 207 }, 208 }; 209 210 static struct mfd_cell reg_devs[] __devinitdata = { 211 { 212 .name = "88pm860x-regulator", 213 .id = 0, 214 .num_resources = ARRAY_SIZE(buck1_resources), 215 .resources = buck1_resources, 216 }, { 217 .name = "88pm860x-regulator", 218 .id = 1, 219 .num_resources = ARRAY_SIZE(buck2_resources), 220 .resources = buck2_resources, 221 }, { 222 .name = "88pm860x-regulator", 223 .id = 2, 224 .num_resources = ARRAY_SIZE(buck3_resources), 225 .resources = buck3_resources, 226 }, { 227 .name = "88pm860x-regulator", 228 .id = 3, 229 .num_resources = ARRAY_SIZE(ldo1_resources), 230 .resources = ldo1_resources, 231 }, { 232 .name = "88pm860x-regulator", 233 .id = 4, 234 .num_resources = ARRAY_SIZE(ldo2_resources), 235 .resources = ldo2_resources, 236 }, { 237 .name = "88pm860x-regulator", 238 .id = 5, 239 .num_resources = ARRAY_SIZE(ldo3_resources), 240 .resources = ldo3_resources, 241 }, { 242 .name = "88pm860x-regulator", 243 .id = 6, 244 .num_resources = ARRAY_SIZE(ldo4_resources), 245 .resources = ldo4_resources, 246 }, { 247 .name = "88pm860x-regulator", 248 .id = 7, 249 .num_resources = ARRAY_SIZE(ldo5_resources), 250 .resources = ldo5_resources, 251 }, { 252 .name = "88pm860x-regulator", 253 .id = 8, 254 .num_resources = ARRAY_SIZE(ldo6_resources), 255 .resources = ldo6_resources, 256 }, { 257 .name = "88pm860x-regulator", 258 .id = 9, 259 .num_resources = ARRAY_SIZE(ldo7_resources), 260 .resources = ldo7_resources, 261 }, { 262 .name = "88pm860x-regulator", 263 .id = 10, 264 .num_resources = ARRAY_SIZE(ldo8_resources), 265 .resources = ldo8_resources, 266 }, { 267 .name = "88pm860x-regulator", 268 .id = 11, 269 .num_resources = ARRAY_SIZE(ldo9_resources), 270 .resources = ldo9_resources, 271 }, { 272 .name = "88pm860x-regulator", 273 .id = 12, 274 .num_resources = ARRAY_SIZE(ldo10_resources), 275 .resources = ldo10_resources, 276 }, { 277 .name = "88pm860x-regulator", 278 .id = 13, 279 .num_resources = ARRAY_SIZE(ldo12_resources), 280 .resources = ldo12_resources, 281 }, { 282 .name = "88pm860x-regulator", 283 .id = 14, 284 .num_resources = ARRAY_SIZE(ldo_vibrator_resources), 285 .resources = ldo_vibrator_resources, 286 }, { 287 .name = "88pm860x-regulator", 288 .id = 15, 289 .num_resources = ARRAY_SIZE(ldo14_resources), 290 .resources = ldo14_resources, 291 }, 292 }; 293 294 static struct mfd_cell touch_devs[] = { 295 {"88pm860x-touch", -1,}, 296 }; 297 298 static struct mfd_cell onkey_devs[] = { 299 {"88pm860x-onkey", -1,}, 300 }; 301 302 static struct mfd_cell codec_devs[] = { 303 {"88pm860x-codec", -1,}, 304 }; 305 306 static struct regulator_consumer_supply preg_supply[] = { 307 REGULATOR_SUPPLY("preg", "charger-manager"), 308 }; 309 310 static struct regulator_init_data preg_init_data = { 311 .num_consumer_supplies = ARRAY_SIZE(preg_supply), 312 .consumer_supplies = &preg_supply[0], 313 }; 314 315 static struct mfd_cell power_devs[] = { 316 {"88pm860x-battery", -1,}, 317 {"88pm860x-charger", -1,}, 318 {"88pm860x-preg", -1,}, 319 }; 320 321 static struct mfd_cell rtc_devs[] = { 322 {"88pm860x-rtc", -1,}, 323 }; 324 325 326 struct pm860x_irq_data { 327 int reg; 328 int mask_reg; 329 int enable; /* enable or not */ 330 int offs; /* bit offset in mask register */ 331 }; 332 333 static struct pm860x_irq_data pm860x_irqs[] = { 334 [PM8607_IRQ_ONKEY] = { 335 .reg = PM8607_INT_STATUS1, 336 .mask_reg = PM8607_INT_MASK_1, 337 .offs = 1 << 0, 338 }, 339 [PM8607_IRQ_EXTON] = { 340 .reg = PM8607_INT_STATUS1, 341 .mask_reg = PM8607_INT_MASK_1, 342 .offs = 1 << 1, 343 }, 344 [PM8607_IRQ_CHG] = { 345 .reg = PM8607_INT_STATUS1, 346 .mask_reg = PM8607_INT_MASK_1, 347 .offs = 1 << 2, 348 }, 349 [PM8607_IRQ_BAT] = { 350 .reg = PM8607_INT_STATUS1, 351 .mask_reg = PM8607_INT_MASK_1, 352 .offs = 1 << 3, 353 }, 354 [PM8607_IRQ_RTC] = { 355 .reg = PM8607_INT_STATUS1, 356 .mask_reg = PM8607_INT_MASK_1, 357 .offs = 1 << 4, 358 }, 359 [PM8607_IRQ_CC] = { 360 .reg = PM8607_INT_STATUS1, 361 .mask_reg = PM8607_INT_MASK_1, 362 .offs = 1 << 5, 363 }, 364 [PM8607_IRQ_VBAT] = { 365 .reg = PM8607_INT_STATUS2, 366 .mask_reg = PM8607_INT_MASK_2, 367 .offs = 1 << 0, 368 }, 369 [PM8607_IRQ_VCHG] = { 370 .reg = PM8607_INT_STATUS2, 371 .mask_reg = PM8607_INT_MASK_2, 372 .offs = 1 << 1, 373 }, 374 [PM8607_IRQ_VSYS] = { 375 .reg = PM8607_INT_STATUS2, 376 .mask_reg = PM8607_INT_MASK_2, 377 .offs = 1 << 2, 378 }, 379 [PM8607_IRQ_TINT] = { 380 .reg = PM8607_INT_STATUS2, 381 .mask_reg = PM8607_INT_MASK_2, 382 .offs = 1 << 3, 383 }, 384 [PM8607_IRQ_GPADC0] = { 385 .reg = PM8607_INT_STATUS2, 386 .mask_reg = PM8607_INT_MASK_2, 387 .offs = 1 << 4, 388 }, 389 [PM8607_IRQ_GPADC1] = { 390 .reg = PM8607_INT_STATUS2, 391 .mask_reg = PM8607_INT_MASK_2, 392 .offs = 1 << 5, 393 }, 394 [PM8607_IRQ_GPADC2] = { 395 .reg = PM8607_INT_STATUS2, 396 .mask_reg = PM8607_INT_MASK_2, 397 .offs = 1 << 6, 398 }, 399 [PM8607_IRQ_GPADC3] = { 400 .reg = PM8607_INT_STATUS2, 401 .mask_reg = PM8607_INT_MASK_2, 402 .offs = 1 << 7, 403 }, 404 [PM8607_IRQ_AUDIO_SHORT] = { 405 .reg = PM8607_INT_STATUS3, 406 .mask_reg = PM8607_INT_MASK_3, 407 .offs = 1 << 0, 408 }, 409 [PM8607_IRQ_PEN] = { 410 .reg = PM8607_INT_STATUS3, 411 .mask_reg = PM8607_INT_MASK_3, 412 .offs = 1 << 1, 413 }, 414 [PM8607_IRQ_HEADSET] = { 415 .reg = PM8607_INT_STATUS3, 416 .mask_reg = PM8607_INT_MASK_3, 417 .offs = 1 << 2, 418 }, 419 [PM8607_IRQ_HOOK] = { 420 .reg = PM8607_INT_STATUS3, 421 .mask_reg = PM8607_INT_MASK_3, 422 .offs = 1 << 3, 423 }, 424 [PM8607_IRQ_MICIN] = { 425 .reg = PM8607_INT_STATUS3, 426 .mask_reg = PM8607_INT_MASK_3, 427 .offs = 1 << 4, 428 }, 429 [PM8607_IRQ_CHG_FAIL] = { 430 .reg = PM8607_INT_STATUS3, 431 .mask_reg = PM8607_INT_MASK_3, 432 .offs = 1 << 5, 433 }, 434 [PM8607_IRQ_CHG_DONE] = { 435 .reg = PM8607_INT_STATUS3, 436 .mask_reg = PM8607_INT_MASK_3, 437 .offs = 1 << 6, 438 }, 439 [PM8607_IRQ_CHG_FAULT] = { 440 .reg = PM8607_INT_STATUS3, 441 .mask_reg = PM8607_INT_MASK_3, 442 .offs = 1 << 7, 443 }, 444 }; 445 446 static irqreturn_t pm860x_irq(int irq, void *data) 447 { 448 struct pm860x_chip *chip = data; 449 struct pm860x_irq_data *irq_data; 450 struct i2c_client *i2c; 451 int read_reg = -1, value = 0; 452 int i; 453 454 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; 455 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) { 456 irq_data = &pm860x_irqs[i]; 457 if (read_reg != irq_data->reg) { 458 read_reg = irq_data->reg; 459 value = pm860x_reg_read(i2c, irq_data->reg); 460 } 461 if (value & irq_data->enable) 462 handle_nested_irq(chip->irq_base + i); 463 } 464 return IRQ_HANDLED; 465 } 466 467 static void pm860x_irq_lock(struct irq_data *data) 468 { 469 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); 470 471 mutex_lock(&chip->irq_lock); 472 } 473 474 static void pm860x_irq_sync_unlock(struct irq_data *data) 475 { 476 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); 477 struct pm860x_irq_data *irq_data; 478 struct i2c_client *i2c; 479 static unsigned char cached[3] = {0x0, 0x0, 0x0}; 480 unsigned char mask[3]; 481 int i; 482 483 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; 484 /* Load cached value. In initial, all IRQs are masked */ 485 for (i = 0; i < 3; i++) 486 mask[i] = cached[i]; 487 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) { 488 irq_data = &pm860x_irqs[i]; 489 switch (irq_data->mask_reg) { 490 case PM8607_INT_MASK_1: 491 mask[0] &= ~irq_data->offs; 492 mask[0] |= irq_data->enable; 493 break; 494 case PM8607_INT_MASK_2: 495 mask[1] &= ~irq_data->offs; 496 mask[1] |= irq_data->enable; 497 break; 498 case PM8607_INT_MASK_3: 499 mask[2] &= ~irq_data->offs; 500 mask[2] |= irq_data->enable; 501 break; 502 default: 503 dev_err(chip->dev, "wrong IRQ\n"); 504 break; 505 } 506 } 507 /* update mask into registers */ 508 for (i = 0; i < 3; i++) { 509 if (mask[i] != cached[i]) { 510 cached[i] = mask[i]; 511 pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]); 512 } 513 } 514 515 mutex_unlock(&chip->irq_lock); 516 } 517 518 static void pm860x_irq_enable(struct irq_data *data) 519 { 520 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); 521 pm860x_irqs[data->irq - chip->irq_base].enable 522 = pm860x_irqs[data->irq - chip->irq_base].offs; 523 } 524 525 static void pm860x_irq_disable(struct irq_data *data) 526 { 527 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); 528 pm860x_irqs[data->irq - chip->irq_base].enable = 0; 529 } 530 531 static struct irq_chip pm860x_irq_chip = { 532 .name = "88pm860x", 533 .irq_bus_lock = pm860x_irq_lock, 534 .irq_bus_sync_unlock = pm860x_irq_sync_unlock, 535 .irq_enable = pm860x_irq_enable, 536 .irq_disable = pm860x_irq_disable, 537 }; 538 539 static int __devinit device_gpadc_init(struct pm860x_chip *chip, 540 struct pm860x_platform_data *pdata) 541 { 542 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \ 543 : chip->companion; 544 int data; 545 int ret; 546 547 /* initialize GPADC without activating it */ 548 549 if (!pdata || !pdata->touch) 550 return -EINVAL; 551 552 /* set GPADC MISC1 register */ 553 data = 0; 554 data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK; 555 data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK; 556 data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK; 557 data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK; 558 if (data) { 559 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data); 560 if (ret < 0) 561 goto out; 562 } 563 /* set tsi prebias time */ 564 if (pdata->touch->tsi_prebias) { 565 data = pdata->touch->tsi_prebias; 566 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data); 567 if (ret < 0) 568 goto out; 569 } 570 /* set prebias & prechg time of pen detect */ 571 data = 0; 572 data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK; 573 data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK; 574 if (data) { 575 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data); 576 if (ret < 0) 577 goto out; 578 } 579 580 ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1, 581 PM8607_GPADC_EN, PM8607_GPADC_EN); 582 out: 583 return ret; 584 } 585 586 static int __devinit device_irq_init(struct pm860x_chip *chip, 587 struct pm860x_platform_data *pdata) 588 { 589 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \ 590 : chip->companion; 591 unsigned char status_buf[INT_STATUS_NUM]; 592 unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; 593 int i, data, mask, ret = -EINVAL; 594 int __irq; 595 596 if (!pdata || !pdata->irq_base) { 597 dev_warn(chip->dev, "No interrupt support on IRQ base\n"); 598 return -EINVAL; 599 } 600 601 mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR 602 | PM8607_B0_MISC1_INT_MASK; 603 data = 0; 604 chip->irq_mode = 0; 605 if (pdata && pdata->irq_mode) { 606 /* 607 * irq_mode defines the way of clearing interrupt. If it's 1, 608 * clear IRQ by write. Otherwise, clear it by read. 609 * This control bit is valid from 88PM8607 B0 steping. 610 */ 611 data |= PM8607_B0_MISC1_INT_CLEAR; 612 chip->irq_mode = 1; 613 } 614 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data); 615 if (ret < 0) 616 goto out; 617 618 /* mask all IRQs */ 619 memset(status_buf, 0, INT_STATUS_NUM); 620 ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1, 621 INT_STATUS_NUM, status_buf); 622 if (ret < 0) 623 goto out; 624 625 if (chip->irq_mode) { 626 /* clear interrupt status by write */ 627 memset(status_buf, 0xFF, INT_STATUS_NUM); 628 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1, 629 INT_STATUS_NUM, status_buf); 630 } else { 631 /* clear interrupt status by read */ 632 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1, 633 INT_STATUS_NUM, status_buf); 634 } 635 if (ret < 0) 636 goto out; 637 638 mutex_init(&chip->irq_lock); 639 chip->irq_base = pdata->irq_base; 640 chip->core_irq = i2c->irq; 641 if (!chip->core_irq) 642 goto out; 643 644 /* register IRQ by genirq */ 645 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) { 646 __irq = i + chip->irq_base; 647 irq_set_chip_data(__irq, chip); 648 irq_set_chip_and_handler(__irq, &pm860x_irq_chip, 649 handle_edge_irq); 650 irq_set_nested_thread(__irq, 1); 651 #ifdef CONFIG_ARM 652 set_irq_flags(__irq, IRQF_VALID); 653 #else 654 irq_set_noprobe(__irq); 655 #endif 656 } 657 658 ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags | IRQF_ONESHOT, 659 "88pm860x", chip); 660 if (ret) { 661 dev_err(chip->dev, "Failed to request IRQ: %d\n", ret); 662 chip->core_irq = 0; 663 } 664 665 return 0; 666 out: 667 chip->core_irq = 0; 668 return ret; 669 } 670 671 static void device_irq_exit(struct pm860x_chip *chip) 672 { 673 if (chip->core_irq) 674 free_irq(chip->core_irq, chip); 675 } 676 677 int pm8606_osc_enable(struct pm860x_chip *chip, unsigned short client) 678 { 679 int ret = -EIO; 680 struct i2c_client *i2c = (chip->id == CHIP_PM8606) ? 681 chip->client : chip->companion; 682 683 dev_dbg(chip->dev, "%s(B): client=0x%x\n", __func__, client); 684 dev_dbg(chip->dev, "%s(B): vote=0x%x status=%d\n", 685 __func__, chip->osc_vote, 686 chip->osc_status); 687 688 mutex_lock(&chip->osc_lock); 689 /* Update voting status */ 690 chip->osc_vote |= client; 691 /* If reference group is off - turn on*/ 692 if (chip->osc_status != PM8606_REF_GP_OSC_ON) { 693 chip->osc_status = PM8606_REF_GP_OSC_UNKNOWN; 694 /* Enable Reference group Vsys */ 695 if (pm860x_set_bits(i2c, PM8606_VSYS, 696 PM8606_VSYS_EN, PM8606_VSYS_EN)) 697 goto out; 698 699 /*Enable Internal Oscillator */ 700 if (pm860x_set_bits(i2c, PM8606_MISC, 701 PM8606_MISC_OSC_EN, PM8606_MISC_OSC_EN)) 702 goto out; 703 /* Update status (only if writes succeed) */ 704 chip->osc_status = PM8606_REF_GP_OSC_ON; 705 } 706 mutex_unlock(&chip->osc_lock); 707 708 dev_dbg(chip->dev, "%s(A): vote=0x%x status=%d ret=%d\n", 709 __func__, chip->osc_vote, 710 chip->osc_status, ret); 711 return 0; 712 out: 713 mutex_unlock(&chip->osc_lock); 714 return ret; 715 } 716 EXPORT_SYMBOL(pm8606_osc_enable); 717 718 int pm8606_osc_disable(struct pm860x_chip *chip, unsigned short client) 719 { 720 int ret = -EIO; 721 struct i2c_client *i2c = (chip->id == CHIP_PM8606) ? 722 chip->client : chip->companion; 723 724 dev_dbg(chip->dev, "%s(B): client=0x%x\n", __func__, client); 725 dev_dbg(chip->dev, "%s(B): vote=0x%x status=%d\n", 726 __func__, chip->osc_vote, 727 chip->osc_status); 728 729 mutex_lock(&chip->osc_lock); 730 /*Update voting status */ 731 chip->osc_vote &= ~(client); 732 /* If reference group is off and this is the last client to release 733 * - turn off */ 734 if ((chip->osc_status != PM8606_REF_GP_OSC_OFF) && 735 (chip->osc_vote == REF_GP_NO_CLIENTS)) { 736 chip->osc_status = PM8606_REF_GP_OSC_UNKNOWN; 737 /* Disable Reference group Vsys */ 738 if (pm860x_set_bits(i2c, PM8606_VSYS, PM8606_VSYS_EN, 0)) 739 goto out; 740 /* Disable Internal Oscillator */ 741 if (pm860x_set_bits(i2c, PM8606_MISC, PM8606_MISC_OSC_EN, 0)) 742 goto out; 743 chip->osc_status = PM8606_REF_GP_OSC_OFF; 744 } 745 mutex_unlock(&chip->osc_lock); 746 747 dev_dbg(chip->dev, "%s(A): vote=0x%x status=%d ret=%d\n", 748 __func__, chip->osc_vote, 749 chip->osc_status, ret); 750 return 0; 751 out: 752 mutex_unlock(&chip->osc_lock); 753 return ret; 754 } 755 EXPORT_SYMBOL(pm8606_osc_disable); 756 757 static void __devinit device_osc_init(struct i2c_client *i2c) 758 { 759 struct pm860x_chip *chip = i2c_get_clientdata(i2c); 760 761 mutex_init(&chip->osc_lock); 762 /* init portofino reference group voting and status */ 763 /* Disable Reference group Vsys */ 764 pm860x_set_bits(i2c, PM8606_VSYS, PM8606_VSYS_EN, 0); 765 /* Disable Internal Oscillator */ 766 pm860x_set_bits(i2c, PM8606_MISC, PM8606_MISC_OSC_EN, 0); 767 768 chip->osc_vote = REF_GP_NO_CLIENTS; 769 chip->osc_status = PM8606_REF_GP_OSC_OFF; 770 } 771 772 static void __devinit device_bk_init(struct pm860x_chip *chip, 773 struct pm860x_platform_data *pdata) 774 { 775 int ret, i; 776 777 if (pdata && pdata->backlight) { 778 if (pdata->num_backlights > ARRAY_SIZE(bk_devs)) 779 pdata->num_backlights = ARRAY_SIZE(bk_devs); 780 for (i = 0; i < pdata->num_backlights; i++) { 781 bk_devs[i].platform_data = &pdata->backlight[i]; 782 bk_devs[i].pdata_size = 783 sizeof(struct pm860x_backlight_pdata); 784 } 785 } 786 ret = mfd_add_devices(chip->dev, 0, bk_devs, 787 ARRAY_SIZE(bk_devs), NULL, 0, NULL); 788 if (ret < 0) 789 dev_err(chip->dev, "Failed to add backlight subdev\n"); 790 } 791 792 static void __devinit device_led_init(struct pm860x_chip *chip, 793 struct pm860x_platform_data *pdata) 794 { 795 int ret, i; 796 797 if (pdata && pdata->led) { 798 if (pdata->num_leds > ARRAY_SIZE(led_devs)) 799 pdata->num_leds = ARRAY_SIZE(led_devs); 800 for (i = 0; i < pdata->num_leds; i++) { 801 led_devs[i].platform_data = &pdata->led[i]; 802 led_devs[i].pdata_size = 803 sizeof(struct pm860x_led_pdata); 804 } 805 } 806 ret = mfd_add_devices(chip->dev, 0, led_devs, 807 ARRAY_SIZE(led_devs), NULL, 0, NULL); 808 if (ret < 0) { 809 dev_err(chip->dev, "Failed to add led subdev\n"); 810 return; 811 } 812 } 813 814 static void __devinit device_regulator_init(struct pm860x_chip *chip, 815 struct pm860x_platform_data *pdata) 816 { 817 int ret; 818 819 if (pdata == NULL) 820 return; 821 if (pdata->buck1) { 822 reg_devs[0].platform_data = pdata->buck1; 823 reg_devs[0].pdata_size = sizeof(struct regulator_init_data); 824 } 825 if (pdata->buck2) { 826 reg_devs[1].platform_data = pdata->buck2; 827 reg_devs[1].pdata_size = sizeof(struct regulator_init_data); 828 } 829 if (pdata->buck3) { 830 reg_devs[2].platform_data = pdata->buck3; 831 reg_devs[2].pdata_size = sizeof(struct regulator_init_data); 832 } 833 if (pdata->ldo1) { 834 reg_devs[3].platform_data = pdata->ldo1; 835 reg_devs[3].pdata_size = sizeof(struct regulator_init_data); 836 } 837 if (pdata->ldo2) { 838 reg_devs[4].platform_data = pdata->ldo2; 839 reg_devs[4].pdata_size = sizeof(struct regulator_init_data); 840 } 841 if (pdata->ldo3) { 842 reg_devs[5].platform_data = pdata->ldo3; 843 reg_devs[5].pdata_size = sizeof(struct regulator_init_data); 844 } 845 if (pdata->ldo4) { 846 reg_devs[6].platform_data = pdata->ldo4; 847 reg_devs[6].pdata_size = sizeof(struct regulator_init_data); 848 } 849 if (pdata->ldo5) { 850 reg_devs[7].platform_data = pdata->ldo5; 851 reg_devs[7].pdata_size = sizeof(struct regulator_init_data); 852 } 853 if (pdata->ldo6) { 854 reg_devs[8].platform_data = pdata->ldo6; 855 reg_devs[8].pdata_size = sizeof(struct regulator_init_data); 856 } 857 if (pdata->ldo7) { 858 reg_devs[9].platform_data = pdata->ldo7; 859 reg_devs[9].pdata_size = sizeof(struct regulator_init_data); 860 } 861 if (pdata->ldo8) { 862 reg_devs[10].platform_data = pdata->ldo8; 863 reg_devs[10].pdata_size = sizeof(struct regulator_init_data); 864 } 865 if (pdata->ldo9) { 866 reg_devs[11].platform_data = pdata->ldo9; 867 reg_devs[11].pdata_size = sizeof(struct regulator_init_data); 868 } 869 if (pdata->ldo10) { 870 reg_devs[12].platform_data = pdata->ldo10; 871 reg_devs[12].pdata_size = sizeof(struct regulator_init_data); 872 } 873 if (pdata->ldo12) { 874 reg_devs[13].platform_data = pdata->ldo12; 875 reg_devs[13].pdata_size = sizeof(struct regulator_init_data); 876 } 877 if (pdata->ldo_vibrator) { 878 reg_devs[14].platform_data = pdata->ldo_vibrator; 879 reg_devs[14].pdata_size = sizeof(struct regulator_init_data); 880 } 881 if (pdata->ldo14) { 882 reg_devs[15].platform_data = pdata->ldo14; 883 reg_devs[15].pdata_size = sizeof(struct regulator_init_data); 884 } 885 ret = mfd_add_devices(chip->dev, 0, reg_devs, 886 ARRAY_SIZE(reg_devs), NULL, 0, NULL); 887 if (ret < 0) { 888 dev_err(chip->dev, "Failed to add regulator subdev\n"); 889 return; 890 } 891 } 892 893 static void __devinit device_rtc_init(struct pm860x_chip *chip, 894 struct pm860x_platform_data *pdata) 895 { 896 int ret; 897 898 if ((pdata == NULL)) 899 return; 900 901 rtc_devs[0].platform_data = pdata->rtc; 902 rtc_devs[0].pdata_size = sizeof(struct pm860x_rtc_pdata); 903 rtc_devs[0].num_resources = ARRAY_SIZE(rtc_resources); 904 rtc_devs[0].resources = &rtc_resources[0]; 905 ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], 906 ARRAY_SIZE(rtc_devs), &rtc_resources[0], 907 chip->irq_base, NULL); 908 if (ret < 0) 909 dev_err(chip->dev, "Failed to add rtc subdev\n"); 910 } 911 912 static void __devinit device_touch_init(struct pm860x_chip *chip, 913 struct pm860x_platform_data *pdata) 914 { 915 int ret; 916 917 if (pdata == NULL) 918 return; 919 920 touch_devs[0].platform_data = pdata->touch; 921 touch_devs[0].pdata_size = sizeof(struct pm860x_touch_pdata); 922 touch_devs[0].num_resources = ARRAY_SIZE(touch_resources); 923 touch_devs[0].resources = &touch_resources[0]; 924 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], 925 ARRAY_SIZE(touch_devs), &touch_resources[0], 926 chip->irq_base, NULL); 927 if (ret < 0) 928 dev_err(chip->dev, "Failed to add touch subdev\n"); 929 } 930 931 static void __devinit device_power_init(struct pm860x_chip *chip, 932 struct pm860x_platform_data *pdata) 933 { 934 int ret; 935 936 if (pdata == NULL) 937 return; 938 939 power_devs[0].platform_data = pdata->power; 940 power_devs[0].pdata_size = sizeof(struct pm860x_power_pdata); 941 power_devs[0].num_resources = ARRAY_SIZE(battery_resources); 942 power_devs[0].resources = &battery_resources[0], 943 ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1, 944 &battery_resources[0], chip->irq_base, NULL); 945 if (ret < 0) 946 dev_err(chip->dev, "Failed to add battery subdev\n"); 947 948 power_devs[1].platform_data = pdata->power; 949 power_devs[1].pdata_size = sizeof(struct pm860x_power_pdata); 950 power_devs[1].num_resources = ARRAY_SIZE(charger_resources); 951 power_devs[1].resources = &charger_resources[0], 952 ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1, 953 &charger_resources[0], chip->irq_base, NULL); 954 if (ret < 0) 955 dev_err(chip->dev, "Failed to add charger subdev\n"); 956 957 power_devs[2].platform_data = &preg_init_data; 958 power_devs[2].pdata_size = sizeof(struct regulator_init_data); 959 ret = mfd_add_devices(chip->dev, 0, &power_devs[2], 1, 960 NULL, chip->irq_base, NULL); 961 if (ret < 0) 962 dev_err(chip->dev, "Failed to add preg subdev\n"); 963 } 964 965 static void __devinit device_onkey_init(struct pm860x_chip *chip, 966 struct pm860x_platform_data *pdata) 967 { 968 int ret; 969 970 onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources); 971 onkey_devs[0].resources = &onkey_resources[0], 972 ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], 973 ARRAY_SIZE(onkey_devs), &onkey_resources[0], 974 chip->irq_base, NULL); 975 if (ret < 0) 976 dev_err(chip->dev, "Failed to add onkey subdev\n"); 977 } 978 979 static void __devinit device_codec_init(struct pm860x_chip *chip, 980 struct pm860x_platform_data *pdata) 981 { 982 int ret; 983 984 codec_devs[0].num_resources = ARRAY_SIZE(codec_resources); 985 codec_devs[0].resources = &codec_resources[0], 986 ret = mfd_add_devices(chip->dev, 0, &codec_devs[0], 987 ARRAY_SIZE(codec_devs), &codec_resources[0], 0, 988 NULL); 989 if (ret < 0) 990 dev_err(chip->dev, "Failed to add codec subdev\n"); 991 } 992 993 static void __devinit device_8607_init(struct pm860x_chip *chip, 994 struct i2c_client *i2c, 995 struct pm860x_platform_data *pdata) 996 { 997 int data, ret; 998 999 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID); 1000 if (ret < 0) { 1001 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret); 1002 goto out; 1003 } 1004 switch (ret & PM8607_VERSION_MASK) { 1005 case 0x40: 1006 case 0x50: 1007 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n", 1008 ret); 1009 break; 1010 default: 1011 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. " 1012 "Chip ID: %02x\n", ret); 1013 goto out; 1014 } 1015 1016 ret = pm860x_reg_read(i2c, PM8607_BUCK3); 1017 if (ret < 0) { 1018 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret); 1019 goto out; 1020 } 1021 if (ret & PM8607_BUCK3_DOUBLE) 1022 chip->buck3_double = 1; 1023 1024 ret = pm860x_reg_read(i2c, PM8607_B0_MISC1); 1025 if (ret < 0) { 1026 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret); 1027 goto out; 1028 } 1029 1030 if (pdata && (pdata->i2c_port == PI2C_PORT)) 1031 data = PM8607_B0_MISC1_PI2C; 1032 else 1033 data = 0; 1034 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data); 1035 if (ret < 0) { 1036 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret); 1037 goto out; 1038 } 1039 1040 ret = device_gpadc_init(chip, pdata); 1041 if (ret < 0) 1042 goto out; 1043 1044 ret = device_irq_init(chip, pdata); 1045 if (ret < 0) 1046 goto out; 1047 1048 device_regulator_init(chip, pdata); 1049 device_rtc_init(chip, pdata); 1050 device_onkey_init(chip, pdata); 1051 device_touch_init(chip, pdata); 1052 device_power_init(chip, pdata); 1053 device_codec_init(chip, pdata); 1054 out: 1055 return; 1056 } 1057 1058 static void __devinit device_8606_init(struct pm860x_chip *chip, 1059 struct i2c_client *i2c, 1060 struct pm860x_platform_data *pdata) 1061 { 1062 device_osc_init(i2c); 1063 device_bk_init(chip, pdata); 1064 device_led_init(chip, pdata); 1065 } 1066 1067 int __devinit pm860x_device_init(struct pm860x_chip *chip, 1068 struct pm860x_platform_data *pdata) 1069 { 1070 chip->core_irq = 0; 1071 1072 switch (chip->id) { 1073 case CHIP_PM8606: 1074 device_8606_init(chip, chip->client, pdata); 1075 break; 1076 case CHIP_PM8607: 1077 device_8607_init(chip, chip->client, pdata); 1078 break; 1079 } 1080 1081 if (chip->companion) { 1082 switch (chip->id) { 1083 case CHIP_PM8607: 1084 device_8606_init(chip, chip->companion, pdata); 1085 break; 1086 case CHIP_PM8606: 1087 device_8607_init(chip, chip->companion, pdata); 1088 break; 1089 } 1090 } 1091 1092 return 0; 1093 } 1094 1095 void __devexit pm860x_device_exit(struct pm860x_chip *chip) 1096 { 1097 device_irq_exit(chip); 1098 mfd_remove_devices(chip->dev); 1099 } 1100 1101 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x"); 1102 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); 1103 MODULE_LICENSE("GPL"); 1104